JPS52117169A - Electronic watch - Google Patents
Electronic watchInfo
- Publication number
- JPS52117169A JPS52117169A JP3404376A JP3404376A JPS52117169A JP S52117169 A JPS52117169 A JP S52117169A JP 3404376 A JP3404376 A JP 3404376A JP 3404376 A JP3404376 A JP 3404376A JP S52117169 A JPS52117169 A JP S52117169A
- Authority
- JP
- Japan
- Prior art keywords
- electronic watch
- trimmer
- oscillation
- shielding
- occurrence
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000004020 conductor Substances 0.000 abstract 1
- 239000013078 crystal Substances 0.000 abstract 1
- 230000010355 oscillation Effects 0.000 abstract 1
- 239000000758 substrate Substances 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04F—TIME-INTERVAL MEASURING
- G04F5/00—Apparatus for producing preselected time intervals for use as timing standards
- G04F5/04—Apparatus for producing preselected time intervals for use as timing standards using oscillators with electromechanical resonators producing electric oscillations or timing pulses
- G04F5/06—Apparatus for producing preselected time intervals for use as timing standards using oscillators with electromechanical resonators producing electric oscillations or timing pulses using piezoelectric resonators
- G04F5/063—Constructional details
- G04F5/066—Trimmer condensators
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electric Clocks (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
PURPOSE:The occurrence of a change in the desired frequency obtained by controlling a trimmer despite closing of a rear cover is prevented even if the frequency of oscillation of crystal is increased to several M Hz shielding the pattern on a substrate with covering of a conductive material.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3404376A JPS52117169A (en) | 1976-03-27 | 1976-03-27 | Electronic watch |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3404376A JPS52117169A (en) | 1976-03-27 | 1976-03-27 | Electronic watch |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS52117169A true JPS52117169A (en) | 1977-10-01 |
Family
ID=12403281
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3404376A Pending JPS52117169A (en) | 1976-03-27 | 1976-03-27 | Electronic watch |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS52117169A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62185398A (en) * | 1986-01-31 | 1987-08-13 | エヌ・ベ−・フイリツプス・フル−イランペンフアブリケン | Thick film circuit device containing ceramic substrate |
-
1976
- 1976-03-27 JP JP3404376A patent/JPS52117169A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62185398A (en) * | 1986-01-31 | 1987-08-13 | エヌ・ベ−・フイリツプス・フル−イランペンフアブリケン | Thick film circuit device containing ceramic substrate |
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